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Gurkirat kaur from little flower SR. SEC. School, delhi

Subject :NSO Class : Class 7

Earthworm do which kind of respiration. a) Cutaneous respiration b) Pulmonary respiration c) Branchial respiration d) Tracheal respiration

Ans 1:

dhruv from Sri Aurobindo Memorial School, Bengaluru

Class : Class 9

cutaneous respiration